"We will implement the law, nothing more and nothing less," said Justice Minister Sophocles Sophocleous.
There are no restrictions on arms supplies to Syria.
Officials said the Syrian government had asked Cyprus to release the seized consignment.
It was not clear if Cyprus planned to confiscate the equipment. "That is not an issue for police," said the deputy chief of police.
Syria's borders with Lebanon are believed to be a key conduit in the past for weapons supplies to Lebanon's Hizbollah guerrillas.
